LibC: fflush stdout when reading from stdin

This is the *intended behaviour* per ISO C specification

ports/mesa/build.sh

@@ -7,7 +7,6 @@ DEPENDENCIES=('zlib' 'zstd' 'expat')
 CONFIGURE_OPTIONS=(
 	'-Dprefix=/usr'
 	'-Dosmesa=true'
-	'-Dgallium-drivers=softpipe'
 	'-Dvulkan-drivers=[]'
 	'-Dplatforms=[]'
 	'-Dglx=disabled'
@@ -15,7 +14,50 @@ CONFIGURE_OPTIONS=(
 )
 
 configure() {
-	meson setup --reconfigure --cross-file "$MESON_CROSS_FILE" "${CONFIGURE_OPTIONS[@]}" build || exit 1
+	llvm_version='20.1.9'
+	llvm_root="../../llvm/llvm-$llvm_version-$BANAN_ARCH"
+
+	gallium_driver=softpipe
+
+	if [ -d "$llvm_root" ]; then
+		llvm_lib=$(realpath "$llvm_root/build/lib")
+
+		mkdir -p subprojects/llvm
+
+		wrap_file='subprojects/llvm/meson.build'
+		echo "project('llvm', ['cpp'])"                         >$wrap_file
+		echo ""                                                >>$wrap_file
+		echo "cpp = meson.get_compiler('cpp')"                 >>$wrap_file
+		echo ""                                                >>$wrap_file
+		echo "_deps = []"                                      >>$wrap_file
+		echo "_search = '$llvm_lib'"                           >>$wrap_file
+		echo "foreach d : ["                                   >>$wrap_file
+		for path in $llvm_lib/libLLVM*.a; do
+			name=$(basename $path)
+			echo "    '${name:3:-2}',"                         >>$wrap_file
+		done
+		echo "  ]"                                             >>$wrap_file
+		echo "  _deps += cpp.find_library(d, dirs : _search)"  >>$wrap_file
+		echo "endforeach"                                      >>$wrap_file
+		echo ""                                                >>$wrap_file
+		echo "dep_llvm = declare_dependency("                  >>$wrap_file
+		echo "  include_directories : include_directories("    >>$wrap_file
+		echo "      '$(realpath $llvm_root/llvm/include)',"    >>$wrap_file
+		echo "      '$(realpath $llvm_root/build/include)',"   >>$wrap_file
+		echo "    )," >>$wrap_file
+		echo "  dependencies : _deps,"                         >>$wrap_file
+		echo "  version : '$llvm_version',"                    >>$wrap_file
+		echo ")"                                               >>$wrap_file
+
+		gallium_driver=llvmpipe
+	fi
+
+	meson setup \
+		--reconfigure \
+		--cross-file "$MESON_CROSS_FILE" \
+		"${CONFIGURE_OPTIONS[@]}" \
+		"-Dgallium-drivers=$gallium_driver" \
+		build || exit 1
 }
 
 build() {

ports/mesa/patches/0005-dont-use-drm-with-llvm.patch

@@ -0,0 +1,21 @@
+diff -ru mesa-25.0.7-banan_os/src/gallium/drivers/llvmpipe/lp_texture.c mesa-25.0.7-x86_64/src/gallium/drivers/llvmpipe/lp_texture.c
+--- mesa-25.0.7-banan_os/src/gallium/drivers/llvmpipe/lp_texture.c      2025-05-28 18:20:23.000000000 +0300
++++ mesa-25.0.7-x86_64/src/gallium/drivers/llvmpipe/lp_texture.c        2025-08-03 19:16:20.254971098 +0300
+@@ -59,7 +59,7 @@
+ #include "frontend/sw_winsys.h"
+ #include "git_sha1.h"
+ 
+-#ifndef _WIN32
++#if !defined(_WIN32) && !defined(__banan_os__)
+ #include "drm-uapi/drm_fourcc.h"
+ #endif
+ 
+@@ -1713,7 +1713,7 @@
+    case PIPE_RESOURCE_PARAM_LAYER_STRIDE:
+       *value = lpr->img_stride[level];
+       return true;
+-#ifndef _WIN32
++#if !defined(_WIN32) && !defined(__banan_os__)
+    case PIPE_RESOURCE_PARAM_MODIFIER:
+       *value = lpr->dmabuf ? DRM_FORMAT_MOD_LINEAR : DRM_FORMAT_MOD_INVALID;
+       return true;

ports/xash3d-fwgs/build.sh

@@ -20,7 +20,7 @@ configure() {
 	done
 	popd
 
-	./waf configure -T release --disable-gl || exit 1
+	./waf configure -T release || exit 1
 }
 
 build() {
@@ -29,6 +29,7 @@ build() {
 
 install() {
     ./waf install --destdir=$BANAN_SYSROOT/home/user/halflife || exit 1
+	patchelf --add-needed libxash.so $BANAN_SYSROOT/home/user/halflife/xash3d
 
 	cat > $BANAN_SYSROOT/home/user/halflife/start.sh << EOF
 #!/bin/Shell

userspace/libraries/LibC/include/signal.h

@@ -134,8 +134,9 @@ struct sigevent
 #define SA_NODEFER   0x040
 #define SS_ONSTACK   0x080
 #define SS_DISABLE   0x100
-#define MINSIGSTKSZ  0x200
+
-#define SIGSTKSZ     0x400
+#define MINSIGSTKSZ  4096
+#define SIGSTKSZ     4096
 
 typedef struct
 {

userspace/libraries/LibC/include/sys/socket.h

@@ -25,7 +25,7 @@ __BEGIN_DECLS
 struct sockaddr
 {
 	sa_family_t	sa_family;	/* Address family. */
-	char		sa_data[];	/* Socket address (variable-length data). */
+	char		sa_data[0];	/* Socket address (variable-length data). */
 };
 
 struct sockaddr_storage

userspace/libraries/LibC/stdio.cpp

@@ -542,6 +542,9 @@ int getc_unlocked(FILE* file)
 	if (file->eof)
 		return EOF;
 
+	if (file == stdin && file->buffer_type == _IOLBF && stdout->buffer_type == _IOLBF && stdout->buffer_idx)
+		fflush(stdout);
+
 	// read characters from ungetc
 	if (file->unget_buf_idx)
 	{